2112310531 has 2 divisors, whose sum is σ = 2112310532. Its totient is φ = 2112310530.

The previous prime is 2112310523. The next prime is 2112310559. The reversal of 2112310531 is 1350132112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2112310531 - 2³ = 2112310523 is a prime.

It is a super-2 number, since 2×2112310531² = 8923711558747003922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112310499 and 2112310508.

It is not a weakly prime, because it can be changed into another prime (2112310561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056155265 + 1056155266.

It is an arithmetic number, because the mean of its divisors is an integer number (1056155266).

Almost surely, 2^2112310531 is an apocalyptic number.

2112310531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112310531 is an equidigital number, since it uses as much as digits as its factorization.

2112310531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2112310531 is about 45959.8795799119. The cubic root of 2112310531 is about 1283.0766101568.

Adding to 2112310531 its reverse (1350132112), we get a palindrome (3462442643).

The spelling of 2112310531 in words is "two billion, one hundred twelve million, three hundred ten thousand, five hundred thirty-one".